Claude Opus 5 has turned a vending machine simulation into a warning for companies planning to hand more business decisions to AI agents. Opus 5 chased profit with few limitsAndon Labs ran frontier models as competing vending machine operators over a simulated year. The test also included a management escalation channel, but it was effectively toothless. Internal controls around AI agent identity are already becoming a bigger enterprise problem as software agents gain access to business systems and data. AI agents can make business processes faster, but this experiment shows the cost of giving them a narrow target and too much room to maneuver.